Three stage cocurrent liquid and vapor hydroprocessing

Details Three stage cocurrent liquid and vapor hydroprocessing Three stage cocurrent liquid and vapor hydroprocessing

C - Chemistry, Metallurgy

10

G

C10G 45/02 (2006.01) C10G 65/00 (2006.01)

Patent

CA 2330308

The hydroprocessing process is a hydrotreating process and reaction stages hydrotreating stages. A hydrotreating unit (10) comprises a first cocurrent liquid reaction stage comprising a catalyst bed (14) in downflow reaction vessel (12). Reaction vessel (16) contains a second cocurrent liquid reaction stage comprising catalyst bed (18), above which is a cocurrent vapor reaction stage comprising catalyst bed (20).

Ce procédé d'hydrocraquage comprend un processus d'hydrotraitement ainsi que des étages de réaction destinés à cet hydrotraitement. Une unité d'hydrotraitement (10) comprend un premier étage de réaction à liquides cocourants, doté d'un lit catalyseur (14) placé dans une cuve de réaction (12) située en aval. Une cuve de réaction (16) contient un second étage de réaction à liquides cocourants, doté d'un lit catalyseur (18) au-dessus duquel se situe un étage de réaction de vapeur cocourante, également pourvu d'un lit catalyseur (20).

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